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Development of a HPLC method to follow the degradation of phenol by electrochemical or photoelectrochemical treatment

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Author(s): Andrade Leonardo S. | Laurindo Edison A. | Oliveira Regina V. de | Rocha-Filho Romeu C. | Cass Quezia B.

Journal: Journal of the Brazilian Chemical Society
ISSN 0103-5053

Volume: 17;
Issue: 2;
Start page: 369;
Date: 2006;
Original page

Keywords: wastewater treatment | HPLC method | phenol degradation | PbO2 electrodes | Ti/TiO2 photoelectrodes

ABSTRACT
The development and validation of a HPLC method to follow the degradation of phenol by electrochemical or photoelectrochemical treatment are described. This method, which allows determining amounts of phenol, p-benzoquinone and cathecol in electrolyzed or photoelectrolyzed solutions, was used for analysis of reaction intermediates during electrooxidation or photoelectrooxidation of phenol using a Ti-Pt/PbO2 (obtained by thermal-electrochemical or electrodeposition methods) or Ti/TiO2 doped with Ga3+ (obtained by thermal decomposition of precursor salts) electrode.

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